Greatest Common Factor of 424, 145, 390

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 424, 145, 390 by common division method
• Greatest Common Factor of 424, 145, 390 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 424

List of positive integer factors of 424 that divides 424 without a remainder.

1,2,4,8,53,106,212,424

Factors of 145

List of positive integer factors of 145 that divides 145 without a remainder.

1,5,29,145

Factors of 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Greatest Common Factor

We found the factors 424,145,390 . The biggest common factor number is the GCF number.
So the greatest common factor 424,145,390 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 111, 987, 913
• GCF of 644, 416, 369
• GCF of 470, 460, 887
• GCF of 789, 629, 955
• GCF of 384, 658, 810

1. What is the GCF of 424, 145, 390?

Answer: GCF of 424, 145, 390 is 1.

2. How to Find the GCF of 424, 145, 390

Answer: Greatest Common Factor(GCF) of 424, 145, 390 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(424, 145, 390) = 1.